Attempt to Reset MFA Factors for an Okta User Account

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Attempt to Reset MFA Factors for an Okta User Account

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Detects attempts to reset an Okta user’s enrolled multi-factor authentication (MFA) factors. An adversary may attempt to reset the MFA factors for an Okta user’s account in order to register new MFA factors and abuse the account to blend in with normal activity in the victim’s environment.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-okta*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Identity
  • Okta
  • Continuous Monitoring
  • SecOps
  • Identity and Access

Version: 102 (version history)

Added (Elastic Stack release): 7.9.0

Last modified (Elastic Stack release): 8.6.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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Consider adding exceptions to this rule to filter false positives if the MFA factors for Okta user accounts are regularly reset in your organization.

Investigation guide

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Rule query

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event.dataset:okta.system and event.action:user.mfa.factor.reset_all

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 102 (8.6.0 release)
  • Formatting only
Version 100 (8.5.0 release)
  • Formatting only
Version 8 (8.4.0 release)
  • Formatting only
Version 6 (7.13.0 release)
  • Formatting only
Version 5 (7.12.0 release)
  • Formatting only
Version 4 (7.11.2 release)
  • Formatting only
Version 3 (7.11.0 release)
  • Rule name changed from: Attempt to Reset MFA Factors for Okta User Account
Version 2 (7.10.0 release)
  • Updated query, changed from:

    event.module:okta and event.dataset:okta.system and
    event.action:user.mfa.factor.reset_all